20123143976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{380141}}^1$

素因数の和:380669

約数の個数: 32

約数和(自身を含む): 40713208200

約数和(自身を除く): 20590064224

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 509, 1018, 2036, 4072, 6617, 13234, 26468, 52936, 380141, 760282, 1520564, 3041128, 4941833, 9883666, 19767332, 39534664, 193491769, 386983538, 773967076, 1547934152, 2515392997, 5030785994, 10061571988, 20123143976]

約数ペア:

[(1, 20123143976), (2, 10061571988), (4, 5030785994), (8, 2515392997), (13, 1547934152), (26, 773967076), (52, 386983538), (104, 193491769), (509, 39534664), (1018, 19767332), (2036, 9883666), (4072, 4941833), (6617, 3041128), (13234, 1520564), (26468, 760282), (52936, 380141)]